c8051f330_camera.c

OV7670模组带转接板资料

   
  } 
 
}

void TftWR_SingleStr(unsigned char inputdata,unsigned int color,unsigned int xcolor)
{

  unsigned char avl,i,n;
  TftWrite16(0x0022);  
  for (i=0;i<16;i++)
  { 
      avl=(english[inputdata-32][i]);
	  for (n=0;n<8;n++)
	   {
	     if(avl&0x80) Tft_WR_DATA16(color);
             else Tft_WR_DATA16(xcolor);
           
	     avl<<=1;
	   }
	}
}
void TftWR_Str(unsigned int x,unsigned int y,unsigned char *s,unsigned int color,unsigned int xcolor)
{
 unsigned int k=0;
 while (*s) 
  {
     Tft_SetBackground(y,x+k,15,8);
     TftWR_SingleStr( *s,color,xcolor);
     k=k+8;
     s++;
  
  }

}  


void Tft_SetBackground(unsigned int StartX,unsigned int StartY,unsigned int LongX,unsigned int LongY)
{
  
#if AM==000    
	Tft_SetCursor(StartX+LongX-1,312-StartY+LongY-1);

#elif AM==001
	Tft_SetCursor(StartX+LongX-1,312-StartY+LongY-1);
     
#elif AM==010
	Tft_SetCursor(StartX,312-StartY+LongY-1);
     
#elif AM==011 
	Tft_SetCursor(StartX,312-StartY+LongY-1);
     
#elif AM==100
	Tft_SetCursor(StartX+LongX-1,312-StartY);     
     
#elif AM==101
	Tft_SetCursor(StartX+LongX-1,312-StartY);     
     
#elif AM==110
	Tft_SetCursor(StartX,312-StartY); 
     
#elif AM==111
	Tft_SetCursor(StartX,312-StartY);  
     
#endif
     
	TftWrite(0x0050,StartX);
	TftWrite(0x0051,StartX+LongX-1);
	TftWrite(0x0052,312-StartY);
	TftWrite(0x0053,312-StartY+LongY-1);
}

void Tft_SetCursor(unsigned int Xpos, unsigned int Ypos)
{
 
  TftWrite(0x20, Xpos);
  TftWrite(0x21, Ypos);
}



void set_Cmos7670reg(void)
{

	flag=0;
	WrCmos7670(0x3a, 0x04);
	WrCmos7670(0x40, 0xd0);
	WrCmos7670(0x12, 0x14);
	WrCmos7670(0x32, 0x80);
	WrCmos7670(0x17, 0x16);
	WrCmos7670(0x18, 0x04);
	WrCmos7670(0x19, 0x02);
	WrCmos7670(0x1a, 0x7b);
	WrCmos7670(0x03, 0x06);
	WrCmos7670(0x0c, 0x04);
	WrCmos7670(0x3e, 0x00);
	WrCmos7670(0x70, 0x3a);
	WrCmos7670(0x71, 0x35);
	WrCmos7670(0x72, 0x11);
	WrCmos7670(0x73, 0x00);
	WrCmos7670(0xa2, 0x02);
	WrCmos7670(0x11, 0x81);
	
	WrCmos7670(0x7a, 0x20);
	WrCmos7670(0x7b, 0x1c);
	WrCmos7670(0x7c, 0x28);
	WrCmos7670(0x7d, 0x3c);
	WrCmos7670(0x7e, 0x55);
	WrCmos7670(0x7f, 0x68);
	WrCmos7670(0x80, 0x76);
	WrCmos7670(0x81, 0x80);
	WrCmos7670(0x82, 0x88);
	WrCmos7670(0x83, 0x8f);
	WrCmos7670(0x84, 0x96);
	WrCmos7670(0x85, 0xa3);
	WrCmos7670(0x86, 0xaf);
	WrCmos7670(0x87, 0xc4);
	WrCmos7670(0x88, 0xd7);
	WrCmos7670(0x89, 0xe8);
	
	WrCmos7670(0x13, 0xe0);
	WrCmos7670(0x00, 0x00);
	
	WrCmos7670(0x10, 0x00);
	WrCmos7670(0x0d, 0x00);
	WrCmos7670(0x14, 0x28);
	WrCmos7670(0xa5, 0x05);
	WrCmos7670(0xab, 0x07);
	WrCmos7670(0x24, 0x75);
	WrCmos7670(0x25, 0x63);
	WrCmos7670(0x26, 0xA5);
	WrCmos7670(0x9f, 0x78);
	WrCmos7670(0xa0, 0x68);
	WrCmos7670(0xa1, 0x03);
	WrCmos7670(0xa6, 0xdf);
	WrCmos7670(0xa7, 0xdf);
	WrCmos7670(0xa8, 0xf0);
	WrCmos7670(0xa9, 0x90);
	WrCmos7670(0xaa, 0x94);
	WrCmos7670(0x13, 0xe5);

	WrCmos7670(0x0e, 0x61);
	WrCmos7670(0x0f, 0x4b);
	WrCmos7670(0x16, 0x02);
	WrCmos7670(0x1e, 0x27);
	WrCmos7670(0x21, 0x02);
	WrCmos7670(0x22, 0x91);
	WrCmos7670(0x29, 0x07);
	WrCmos7670(0x33, 0x0b);
	WrCmos7670(0x35, 0x0b);
	WrCmos7670(0x37, 0x1d);
	WrCmos7670(0x38, 0x71);
	WrCmos7670(0x39, 0x2a);
	WrCmos7670(0x3c, 0x78);
	WrCmos7670(0x4d, 0x40);
	WrCmos7670(0x4e, 0x20);
	WrCmos7670(0x69, 0x00);
	WrCmos7670(0x6b, 0x60);
	WrCmos7670(0x74, 0x19);
	WrCmos7670(0x8d, 0x4f);
	WrCmos7670(0x8e, 0x00);
	WrCmos7670(0x8f, 0x00);
	WrCmos7670(0x90, 0x00);
	WrCmos7670(0x91, 0x00);
	WrCmos7670(0x92, 0x00);
	WrCmos7670(0x96, 0x00);
	WrCmos7670(0x9a, 0x80);
	WrCmos7670(0xb0, 0x84);
	WrCmos7670(0xb1, 0x0c);
	WrCmos7670(0xb2, 0x0e);
	WrCmos7670(0xb3, 0x82);
	WrCmos7670(0xb8, 0x0a);



	WrCmos7670(0x43, 0x14);
	WrCmos7670(0x44, 0xf0);
	WrCmos7670(0x45, 0x34);
	WrCmos7670(0x46, 0x58);
	WrCmos7670(0x47, 0x28);
	WrCmos7670(0x48, 0x3a);
	WrCmos7670(0x59, 0x88);
	WrCmos7670(0x5a, 0x88);
	WrCmos7670(0x5b, 0x44);
	WrCmos7670(0x5c, 0x67);
	WrCmos7670(0x5d, 0x49);
	WrCmos7670(0x5e, 0x0e);
	WrCmos7670(0x64, 0x04);
	WrCmos7670(0x65, 0x20);
	WrCmos7670(0x66, 0x05);
	WrCmos7670(0x94, 0x04);
	WrCmos7670(0x95, 0x08);
	WrCmos7670(0x6c, 0x0a);
	WrCmos7670(0x6d, 0x55);
	WrCmos7670(0x6e, 0x11);
	WrCmos7670(0x6f, 0x9f);
	WrCmos7670(0x6a, 0x40);
	WrCmos7670(0x01, 0x40);
	WrCmos7670(0x02, 0x40);
	WrCmos7670(0x13, 0xe7);
	WrCmos7670(0x15, 0x00);  
	
	
	WrCmos7670(0x4f, 0x80);
	WrCmos7670(0x50, 0x80);
	WrCmos7670(0x51, 0x00);
	WrCmos7670(0x52, 0x22);
	WrCmos7670(0x53, 0x5e);
	WrCmos7670(0x54, 0x80);
	WrCmos7670(0x58, 0x9e);
	
	WrCmos7670(0x41, 0x08);
	WrCmos7670(0x3f, 0x00);
	WrCmos7670(0x75, 0x05);
	WrCmos7670(0x76, 0xe1);
	WrCmos7670(0x4c, 0x00);
	WrCmos7670(0x77, 0x01);
	WrCmos7670(0x3d, 0xc2);	
	WrCmos7670(0x4b, 0x09);
	WrCmos7670(0xc9, 0x60);
	WrCmos7670(0x41, 0x38);
	WrCmos7670(0x56, 0x40);
	
	WrCmos7670(0x34, 0x11);
	WrCmos7670(0x3b, 0x02); 
								
	WrCmos7670(0xa4, 0x89);
	WrCmos7670(0x96, 0x00);
	WrCmos7670(0x97, 0x30);
	WrCmos7670(0x98, 0x20);
	WrCmos7670(0x99, 0x30);
	WrCmos7670(0x9a, 0x84);
	WrCmos7670(0x9b, 0x29);
	WrCmos7670(0x9c, 0x03);
	WrCmos7670(0x9d, 0x4c);
	WrCmos7670(0x9e, 0x3f);
	WrCmos7670(0x78, 0x04);
	
}



unsigned char WrCmos7670(unsigned char regID, unsigned char regDat)
{
	StartI2C();
	if(0==I2CWrite(0x42))
	{
		StopI2C();
		return(0);
	}
	delay_us(100);
  	if(0==I2CWrite(regID))
	{
		StopI2C();
		return(0);
	}
	delay_us(100);
  	if(0==I2CWrite(regDat))
	{
		StopI2C();
		return(0);
	}
  	StopI2C();
	flag++;
	
  	return(1);
}



unsigned char Cmos7670_init(void)
{
	unsigned char mmm;	
	unsigned int i=0;
	
	InitI2C();

	mmm=0x80;
	if(0==WrCmos7670(0x12, mmm)) 
	{
		return 0 ;
	}
	delay_ms(10);

  	set_Cmos7670reg();
	if(flag!=164)
	return 0;

	return 1; 
} 


void InitI2C(void)
{

	P1MDIN = 0XFF;
	P1MDOUT= 0XFF;

}

void StartI2C(void)
{
	I2C_SDA=1;    
    delay_us(100);

    I2C_SCL=1;	   
    delay_us(100);
 
    I2C_SDA=0;
    delay_us(100);

    I2C_SCL=0;	 
    delay_us(100);


}

void StopI2C(void)
{
	I2C_SDA=0;
    delay_us(100);
 
    I2C_SCL=1;
    delay_us(100);  

    I2C_SDA=1;
    delay_us(100);
 

}


/*void NoAck(void)
{
	
	I2C_SDA=1;
	delay_us(100);
	
	I2C_SCL=1;
	delay_us(100);
	
	I2C_SCL=0;
	delay_us(100);
	
	I2C_SDA=0;
	delay_us(100);

} */


unsigned char I2CWrite(unsigned char DData)
{
	unsigned char j,tem;

	for(j=0;j<8;j++) 
	{
		if((DData<<j)&0x80)
		{
			I2C_SDA=1;
		}
		else
		{
			I2C_SDA=0;
		}
		delay_us(100);
		I2C_SCL=1;
		delay_us(100);
		I2C_SCL=0;;
		delay_us(100);

	}
	delay_us(100);
	
	SDA_IN();
	delay_us(100);
	I2C_SCL=1;
	delay_us(1000);
	if(SDA_STATE==1)
	{
		tem=0;  
	}
	else
	{
		tem=1;   
	}
	I2C_SCL=0;
	delay_us(100);	
    SDA_OUT();

	return(tem);  
}


void delay_us(unsigned int time)
 {     
   while (time--);
 }		  

/*	    毫秒级延时函数	*/	 
void delay_ms(unsigned int time)
	 {
	  while(time--) delay_us(100);  		 
	 }